ubuntu-cve-2016-5300
Vulnerability from osv_ubuntu
Published
2016-06-06 00:00
Modified
2026-05-27 10:00
Summary
Details
The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.
Severity
7.5 (High)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "expat",
"binary_version": "2.1.0-4ubuntu1.3"
},
{
"binary_name": "lib64expat1",
"binary_version": "2.1.0-4ubuntu1.3"
},
{
"binary_name": "libexpat1",
"binary_version": "2.1.0-4ubuntu1.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "expat",
"purl": "pkg:deb/ubuntu/expat@2.1.0-4ubuntu1.3?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.0-4ubuntu1.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.1.0-4",
"2.1.0-4ubuntu1",
"2.1.0-4ubuntu1.1",
"2.1.0-4ubuntu1.2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "vnc4server",
"binary_version": "4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1"
},
{
"binary_name": "xvnc4viewer",
"binary_version": "4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "vnc4",
"purl": "pkg:deb/ubuntu/vnc4@4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.1.1+xorg4.3.0-37ubuntu5",
"4.1.1+xorg4.3.0-37ubuntu5.0.1",
"4.1.1+xorg4.3.0-37ubuntu5.0.2",
"4.1.1+xorg4.3.0-37ubuntu5.0.2+esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libxmlrpc-c++8",
"binary_version": "1.33.06-0ubuntu1+esm1"
},
{
"binary_name": "libxmlrpc-core-c3",
"binary_version": "1.33.06-0ubuntu1+esm1"
},
{
"binary_name": "xmlrpc-api-utils",
"binary_version": "1.33.06-0ubuntu1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "xmlrpc-c",
"purl": "pkg:deb/ubuntu/xmlrpc-c@1.33.06-0ubuntu1+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.16.33-3.2ubuntu3",
"1.33.06-0ubuntu1",
"1.33.06-0ubuntu1+esm1"
]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "expat",
"binary_version": "2.1.0-7ubuntu0.16.04.2"
},
{
"binary_name": "lib64expat1",
"binary_version": "2.1.0-7ubuntu0.16.04.2"
},
{
"binary_name": "libexpat1",
"binary_version": "2.1.0-7ubuntu0.16.04.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "expat",
"purl": "pkg:deb/ubuntu/expat@2.1.0-7ubuntu0.16.04.2?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.0-7ubuntu0.16.04.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.1.0-7",
"2.1.0-7ubuntu0.16.04.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "vnc4server",
"binary_version": "4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1"
},
{
"binary_name": "xvnc4viewer",
"binary_version": "4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "vnc4",
"purl": "pkg:deb/ubuntu/vnc4@4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.1.1+xorg4.3.0-37.3ubuntu2",
"4.1.1+xorg4.3.0-37.3ubuntu2.1+esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libxmlrpc-c++8v5",
"binary_version": "1.33.14-1ubuntu1+esm1"
},
{
"binary_name": "libxmlrpc-core-c3",
"binary_version": "1.33.14-1ubuntu1+esm1"
},
{
"binary_name": "xmlrpc-api-utils",
"binary_version": "1.33.14-1ubuntu1+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "xmlrpc-c",
"purl": "pkg:deb/ubuntu/xmlrpc-c@1.33.14-1ubuntu1+esm1?arch=source\u0026distro=esm-apps-legacy/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.33.14-0.2ubuntu3",
"1.33.14-1ubuntu1",
"1.33.14-1ubuntu1+esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "vnc4server",
"binary_version": "4.1.1+xorg4.3.0-37.3ubuntu2"
},
{
"binary_name": "xvnc4viewer",
"binary_version": "4.1.1+xorg4.3.0-37.3ubuntu2"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "vnc4",
"purl": "pkg:deb/ubuntu/vnc4@4.1.1+xorg4.3.0-37.3ubuntu2?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.1.1+xorg4.3.0-37.3ubuntu2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libxmlrpc-c++8v5",
"binary_version": "1.33.14-8ubuntu0.18.04.1~esm1"
},
{
"binary_name": "libxmlrpc-core-c3",
"binary_version": "1.33.14-8ubuntu0.18.04.1~esm1"
},
{
"binary_name": "xmlrpc-api-utils",
"binary_version": "1.33.14-8ubuntu0.18.04.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "xmlrpc-c",
"purl": "pkg:deb/ubuntu/xmlrpc-c@1.33.14-8ubuntu0.18.04.1~esm1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.33.14-7",
"1.33.14-8",
"1.33.14-8build1",
"1.33.14-8ubuntu0.18.04.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libxmlrpc-c++8v5",
"binary_version": "1.33.14-8ubuntu0.20.04.1~esm1"
},
{
"binary_name": "libxmlrpc-core-c3",
"binary_version": "1.33.14-8ubuntu0.20.04.1~esm1"
},
{
"binary_name": "xmlrpc-api-utils",
"binary_version": "1.33.14-8ubuntu0.20.04.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "xmlrpc-c",
"purl": "pkg:deb/ubuntu/xmlrpc-c@1.33.14-8ubuntu0.20.04.1~esm1?arch=source\u0026distro=esm-apps/focal"
},
"ranges": [
{
"events": [
{
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}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.33.14-8build1",
"1.33.14-8build2",
"1.33.14-8ubuntu0.20.04.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libxmlrpc-c++8v5",
"binary_version": "1.33.14-10ubuntu0.1~esm1"
},
{
"binary_name": "libxmlrpc-core-c3",
"binary_version": "1.33.14-10ubuntu0.1~esm1"
},
{
"binary_name": "xmlrpc-api-utils",
"binary_version": "1.33.14-10ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:22.04:LTS",
"name": "xmlrpc-c",
"purl": "pkg:deb/ubuntu/xmlrpc-c@1.33.14-10ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/jammy"
},
"ranges": [
{
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"type": "ECOSYSTEM"
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],
"versions": [
"1.33.14-9",
"1.33.14-10",
"1.33.14-10ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libxmlrpc-c++8t64",
"binary_version": "1.33.14-12ubuntu0.1~esm1"
},
{
"binary_name": "libxmlrpc-core-c3t64",
"binary_version": "1.33.14-12ubuntu0.1~esm1"
},
{
"binary_name": "xmlrpc-api-utils",
"binary_version": "1.33.14-12ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:24.04:LTS",
"name": "xmlrpc-c",
"purl": "pkg:deb/ubuntu/xmlrpc-c@1.33.14-12ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/noble"
},
"ranges": [
{
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{
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],
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"1.33.14-11.1",
"1.33.14-12",
"1.33.14-12build1",
"1.33.14-12build2",
"1.33.14-12ubuntu0.1~esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "sitecopy",
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}
]
},
"package": {
"ecosystem": "Ubuntu:25.10",
"name": "sitecopy",
"purl": "pkg:deb/ubuntu/sitecopy@1:0.16.6-16build1?arch=source\u0026distro=questing"
},
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},
{
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{
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},
{
"binary_name": "libxmlrpc-core-c3t64",
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{
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},
"package": {
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},
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},
{
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{
"binary_name": "sitecopy",
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},
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},
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},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libxmlrpc-c++9",
"binary_version": "1.60.05-1"
},
{
"binary_name": "libxmlrpc-core-c3t64",
"binary_version": "1.60.05-1"
},
{
"binary_name": "libxmlrpc-util4",
"binary_version": "1.60.05-1"
},
{
"binary_name": "xmlrpc-api-utils",
"binary_version": "1.60.05-1"
}
]
},
"package": {
"ecosystem": "Ubuntu:26.04:LTS",
"name": "xmlrpc-c",
"purl": "pkg:deb/ubuntu/xmlrpc-c@1.60.05-1?arch=source\u0026distro=resolute"
},
"ranges": [
{
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}
],
"versions": [
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"1.60.05-1"
]
}
],
"aliases": [],
"details": "The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.",
"id": "UBUNTU-CVE-2016-5300",
"modified": "2026-05-27T10:00:41Z",
"published": "2016-06-06T00:00:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2016-5300"
},
{
"type": "REPORT",
"url": "http://seclists.org/oss-sec/2016/q2/468"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3013-1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3010-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2016-5300"
}
],
"related": [
"USN-3013-1",
"USN-3010-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2016-5300"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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